diff --git a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
index 2281daf2bb..e944b93a1f 100644
--- a/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
+++ b/toolchain/toolchain-crosstool-ng/crosstool-ng.mk
@@ -223,6 +223,14 @@ CTNG_FIX_DOT_CONFIG_PATHS_SED += s:^(CT_SYSROOT_DIR_PREFIX)=.*:\1="":;
 # uClibc specific options
 ifeq ($(BR2_TOOLCHAIN_CTNG_uClibc),y)
 
+# Handle the locales option
+ifneq ($(call qstrip,$(BR2_ENABLE_LOCALE)),)
+CTNG_FIX_DOT_CONFIG_SED += s:^\# (CT_LIBC_UCLIBC_LOCALES) is not set:\1=y\n\# CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA is not set:;
+CTNG_FIX_DOT_CONFIG_SED += s:^(CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA)=.*:\# \1 is not set:;
+else
+CTNG_FIX_DOT_CONFIG_SED += s:^(CT_LIBC_UCLIBC_LOCALES)=.*:\# \1 is not set:;
+endif
+
 # Handle the wide-char option
 ifneq ($(call qstrip,$(BR2_USE_WCHAR)),)
 CTNG_FIX_DOT_CONFIG_SED += s:^\# (CT_LIBC_UCLIBC_WCHAR) is not set:\1=y:;